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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,110 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkRupperswilDreiecktechnik AG
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Dreiecktechnik AG

Summary

About the company

The core activity of Dreiecktechnik AG is the development, planning, execution and commissioning of ventilation systems for various areas such as industry, office, schools and residential construction. This also includes the manufacture and distribution of ventilation devices, insertion systems, ventilation ducts, KWL boxes and silencers, as well as the provision of services such as consulting, emergency services and spare parts delivery. Additionally, the company also offers sheet metal processing services.

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Products & services

Industry:Sheet Metal WorkMechanical Engineering Industry
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Ventilation units
Ventilation units for controlled room ventilation in homes, classrooms, offices and commercial areas; central and decentralised, with heat recovery, moisture recovery and demand-based configuration.
Insertion system / air distribution system
Distribution and insertion systems for controlled home ventilation; universal air distribution system with round or oval ducts, design cover grilles and low installation effort.
Ventilation ducts
Ventilation ducts and air lines for controlled room ventilation; various materials and configurations, suitable for new builds, renovations and different air flow rates.
Oval duct / oval system
Oval ducts and fittings for ventilation systems; flat design for space-saving installation, with push-fit connections, various materials and special shapes according to specifications.
KWL boxes
KWL boxes for controlled room ventilation with constant or variable volume flows, sound attenuation, Belimo drives and surface-mounted or recessed installation.
Ventilation silencers
Duct and bypass silencers for ventilation systems; to reduce fan and flow noise and to prevent sound transmission between rooms.
Sheet metal processing
Sheet metal processing for small and large batches; production of sheet metal parts using laser, punching and bending systems as well as powder coating in RAL or NCS colours.
Consulting
Consulting for classroom ventilation, comfort ventilation, oval ducts and large open-office ventilation; needs assessment, technical advice, tender specifications, CAD/BIM files and concept plans.
Planning
Planning for classroom ventilation, comfort ventilation, oval ducts and large open-office ventilation; needs assessment, concept plans, tender specifications, CAD/BIM files and template/sample creation.
Development
Development of ventilation solutions for schools, residential construction, oval ducts and large open offices; needs assessment, design tailored to requirements, prototypes and performance measurements.
Execution
Execution of ventilation solutions for classrooms, comfort ventilation, oval ducts and large open offices; warehousing, timely delivery schedules and training of installation teams.
Commissioning
Commissioning of ventilation systems including acceptance report, maintenance training, user training and maintenance documentation for tenants, owners and service technicians.
Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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Location

Schützenstrasse 17
5102 Rupperswil
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-283.780.833
Founded
2013 · 13 years
Last commercial register change
December 6, 2013
Employees
1 to 10

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